Peptostreptococcal vertebral osteomyelitis.

The clinical course of a patient with vertebral osteomyelitis caused by Peptostreptococcus micros is described. The organism was isolated on two occasions from lumbar vertebral biopsies and was visualized in histologic sections of one of the biopsies. The patient had no apparent infections at other body sites. The infection was eradicated after 6 weeks of intravenous clindamycin therapy. Images